An electrical wiring structure of connecting between a first component and a second component with at least four lead wires includes the first component provided with first insertion portions in which the lead wires are inserted, and the first insertion portions 15 are arranged in two lines and j columns, and the second component provided with second insertion portions in which the lead wires are inserted, and the second insertion portions are in two lines and j columns. Ends of a pair of lead wires are inserted into the first insertion portions and other ends of the pair of lead wires are inserted into the second insertion portions after crossing at an intermediate part.